Added default value to network_name parameter

Author: mikelaws

builder/olvm/config.go

@@ -115,6 +115,12 @@ func NewConfig(raws ...interface{}) (*Config, []string, error) {
 		log.Printf("Using default vm_memory_mb: %d", c.VmMemoryMB)
 	}
 
+	// Set default value for network_name if not specified
+	if c.NetworkName == "" {
+		c.NetworkName = "ovirtmgmt"
+		log.Printf("Using default network_name: %s", c.NetworkName)
+	}
+
 	errs = packer.MultiErrorAppend(errs, c.Comm.Prepare(&c.ctx)...)
 
 	// Handle SSH timeout after communicator preparation to prevent override

docs/builders/builder.md

@@ -17,7 +17,7 @@ source "olvm" "template-example" {
   cluster = "Default"
 
   # Network Configuration
-  network_name = "ovirtmgmt"
+  network_name = "ovirtmgmt"  # Optional (defaults to "ovirtmgmt")
   vnic_profile = "ovirtmgmt"
   dns_servers = ["8.8.8.8", "8.8.4.4"]
   os_interface_name = "ens3"  # For systems using predictable network interface names
@@ -61,7 +61,7 @@ source "olvm" "disk-example" {
   cluster = "Default"
 
   # Network Configuration
-  network_name = "ovirtmgmt"
+  network_name = "ovirtmgmt"  # Optional (defaults to "ovirtmgmt")
   vnic_profile = "ovirtmgmt"
   dns_servers = ["8.8.8.8", "8.8.4.4"]
   os_interface_name = "ens3"
@@ -125,7 +125,7 @@ The OLVM builder supports the following parameters:
 
 #### Network Configuration
 
-- `network_name` - Name of the OLVM network to attach to the VM
+- `network_name` - Name of the OLVM network to attach to the VM (defaults to "ovirtmgmt")
 - `vnic_profile` - vNIC profile to use for the network interface (defaults to `network_name` if not specified)
 - `dns_servers` - List of DNS server IP addresses
 - `os_interface_name` - Operating system network interface name (defaults to "eth0")